Flights from London to Ontario

Tips and tricks to help you find cheap flights from London to Ontario

Favourite airline: United Airlines
Flight tickets on the route London – Ontario are most frequently booked with United Airlines.
United Airlines
59 %
British Airways
14 %
American Airlines
8 %
Tip: book 7 weeks before departure
Save up to 28 % by booking flights 7 weeks before departure.
50 days before departure
Cheapest weekday: Thursday
Cheap flights on this route are operated on Thursday.
Favourite connection: via San Francisco
Stopover flights on this route are especially popular via San Francisco, making up 31 % of bookings.
1 stopover San Francisco International Airport
14h 25min, from £308
31 %
1 stopover Denver
15h 42min, from £300
22 %
1 stopover Dallas-Fort Worth International Airport, TX
17h 18min, from £352
18 %
Flight information London - Ontario
Cheap direct flights
Flight details London - Ontario
  • Distance: 8730 km